Mount a VirtualBox .vdi HDD Image File

vdimount.py

#!/usr/bin/env python

import sys
import os
import subprocess

def usage():
    print "Usage:\n\n    " + sys.argv[0] + " <vdi-File> <mount point>"

if len(sys.argv) < 3:
    usage()
    quit(1)

file = sys.argv[1]
mpt = sys.argv[2]

if not (os.path.exists(file) and os.path.isfile(file)):
    print "File " + file + " does not exist."
    usage()
    quit(1)

if not os.path.exists(mpt):
    print "Folder " + mpt + " does not exist."
    usage()
    quit(1)

cmp_str = "0xeb0x520x900x4e0x540x460x53"
idx = 0
fsz = os.path.getsize(file)

f = open(file, 'r')

ptr = "".join(map(hex, map(ord, list(f.read(7)))))

while ptr != cmp_str and idx < fsz:
    idx = idx+1
    f.seek(idx)
    ptr = "".join(map(hex, map(ord, list(f.read(7)))))

f.close()

subprocess.Popen(["sudo", "mount", "-t", "ntfs", "-o", "loop,offset=" + hex(idx), file, mpt])

print "Use\n    sudo umount " + mpt + "\nto unmount the file."